Once again, portage is unhappy and complains about this command tunix calibre # g++ -O2 -march=native -pipe -fPIC -O2 -march=native -pipe -pthread -I/usr/include/python2.7 -I/usr/include -I/usr/include/podofo -c /var/tmp/portage/app-text/calibre-0.9.6/work/calibre/src/calibre/utils/podofo/output.cpp -o /var/tmp/portage/app-text/calibre-0.9.6/work/calibre/build/objects/podofo/output.o In file included from /usr/include/podofo/podofo-base.h:27:0, from /usr/include/podofo/podofo.h:34, from /var/tmp/portage/app-text/calibre-0.9.6/work/calibre/src/calibre/utils/podofo/global.h:14, from /var/tmp/portage/app-text/calibre-0.9.6/work/calibre/src/calibre/utils/podofo/output.cpp:8: /usr/include/podofo/base/PdfDefines.h:66:28: fatal error: boost/config.hpp: No such file or directory compilation […]